Fig. 5: Analysis of internalized amount of Au@PSa nanocomposites.

a Quantitative analysis of Au@Dex-2 and Au@Pul-2 taken up by HepG2 cells, as determined by ICP-MS (*significant difference, P < 0.05). Representative bio-TEM images of the cellular uptake of (b) Au@Dex-2 and (c) Au@Pul-2 after 4 h of incubation with HepG2 cells